import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import { Notification } from 'element-ui'
import Config from '@/settings'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: Config.requestTimeout // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data

    if (res instanceof Blob) {
      return res
    }

    // if the custom code is not 0, it is judged as an error.
    if (res.code !== 0) {
      Message({
        message: res.message || '服务器忙，请稍后再试',
        type: 'error',
        duration: 5 * 1000
      })

      if (res.code === 40001) {
        // to re-login
        // MessageBox.confirm('登录信息失效，你可以关闭本窗口停留在此界面，或重新登录！', '确认登出', {
        //   confirmButtonText: '重新登录',
        //   cancelButtonText: '关闭窗口',
        //   type: 'warning'
        // }).then(() => {
        //   store.dispatch('user/resetToken').then(() => {
        //     location.reload()
        //   })
        // }).catch()
        store.dispatch('user/resetToken').then()

        MessageBox.alert('登录信息失效，请重新登录！', '提示', {
          confirmButtonText: '重新登录',
          type: 'warning',
          callback: action => location.reload()
        }).then()
      }
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res.data
    }
  },
  error => {
    console.log('err' + error) // for debug
    // Message({
    //   message: 'error.message',
    //   type: 'error',
    //   duration: 5 * 1000
    // })
    Notification.error({
      title: '服务器忙，请稍后再试',
      duration: 5000
    })
    return Promise.reject(error)
  }
)

export default service
